Answer / ergajjarchintan86

GWR
1.high frequency radar impulses
2.contact measurement
3.Exceptional
Performs well independent of process conditions.
4.extreme temp and pressure do not effect device performance
NGWR
1.microwave pulses
2.non contact measurement
3.Acceptable
Performance is based on strength of reflection and surface coditions
4.air space determines measurement accuracy.

i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

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